{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"banking-markets","screenKey":"us-county-bank-branch-deposits","screenLabel":"County FDIC-insured branch deposits","history":true,"temporalCoverage":{"firstYear":2015,"latestYear":2025,"yearCount":11},"years":[2015,2016,2017,2018,2019,2020,2021,2022,2023,2024,2025],"metricLabel":"County deposit HHI","metricUnit":"HHI (0-10,000)","summary":{"firstYear":2015,"latestYear":2025,"latestYearCountyCount":3104,"observationCount":34193,"observationsByYear":[{"countyCount":3112,"year":2015},{"countyCount":3108,"year":2016},{"countyCount":3108,"year":2017},{"countyCount":3109,"year":2018},{"countyCount":3111,"year":2019},{"countyCount":3110,"year":2020},{"countyCount":3109,"year":2021},{"countyCount":3109,"year":2022},{"countyCount":3108,"year":2023},{"countyCount":3105,"year":2024},{"countyCount":3104,"year":2025}],"yearCount":11},"source":{"accessDate":"2026-07-20","apiUrl":"https://api.fdic.gov/banks/sod?filters=YEAR%3A%5B2015%20TO%202025%5D&fields=YEAR%2CCERT%2CNAMEFULL%2CSTALPBR%2CSTNAMEBR%2CSTCNTYBR%2CCNTYNAMB%2CDEPSUMBR%2CRSSDHCR%2CNAMEHCR","confidenceLevel":"high","dataStatus":"estimated_public","id":"fdic-sod-2025","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. 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No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","matchedCount":11,"count":11,"filters":{"states":[],"statesMatched":true,"matchedStateCodes":[],"county":null,"countyMatched":null,"fips":"46061","fipsMatched":true,"fipses":[],"fipsesMatched":null,"matchedFipses":[],"unmatchedFipses":[],"selectionOrder":false,"history":"true","historyMatched":true,"from":2015,"fromMatched":true,"to":2025,"toMatched":true,"rangeMatched":true,"query":null,"concentrationClass":null,"concentrationClassMatched":true,"source":null,"sourceMatched":null,"year":null,"yearMatched":null,"sort":"year","sortMatched":true,"order":"asc","orderMatched":true,"limit":null,"limitMatched":true},"availableSorts":["year","hhi","leader_share","organizations","branches","deposits","county"],"availableConcentrationClasses":["unconcentrated","moderately_concentrated","highly_concentrated"],"rows":[{"branchCount":3,"concentrationClass":"highly_concentrated","countyFips":"46061","countyName":"Hanson","depositRank":2846,"hhi":3730,"hhiPercentile":71.7,"hhiRank":882,"leadingOrganization":"Security State Bank","leadingOrganizationSharePct":49.3,"leaderShareRank":961,"organizationCount":3,"organizationDepthRank":2356,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46061","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":38,"stateMedianHhi":4148,"stateName":"South Dakota","totalDepositsThousands":82865,"year":2015,"annualCountyCount":3112,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. 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No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":3,"concentrationClass":"highly_concentrated","countyFips":"46061","countyName":"Hanson","depositRank":2841,"hhi":3816,"hhiPercentile":72.4,"hhiRank":859,"leadingOrganization":"Security State Bank","leadingOrganizationSharePct":50.8,"leaderShareRank":913,"organizationCount":3,"organizationDepthRank":2332,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46061","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":38,"stateMedianHhi":4493,"stateName":"South Dakota","totalDepositsThousands":87567,"year":2018,"annualCountyCount":3109,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":3,"concentrationClass":"highly_concentrated","countyFips":"46061","countyName":"Hanson","depositRank":2727,"hhi":3479,"hhiPercentile":66.6,"hhiRank":1041,"leadingOrganization":"Security State Bank","leadingOrganizationSharePct":38.4,"leaderShareRank":1624,"organizationCount":3,"organizationDepthRank":2320,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46061","stateCode":"SD","stateCountyCount":63,"stateHref":"/geographies/south-dakota","stateHhiRank":44,"stateMedianHhi":4434,"stateName":"South Dakota","totalDepositsThousands":110209,"year":2019,"annualCountyCount":3111,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. 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No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. 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No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. 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No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":3,"concentrationClass":"highly_concentrated","countyFips":"46061","countyName":"Hanson","depositRank":2861,"hhi":3876,"hhiPercentile":69.9,"hhiRank":935,"leadingOrganization":"Security State Bank","leadingOrganizationSharePct":49.8,"leaderShareRank":1079,"organizationCount":3,"organizationDepthRank":2259,"organizationsOver5pct":3,"profileHref":"/geographies/banking/46061","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":41,"stateMedianHhi":4814,"stateName":"South Dakota","totalDepositsThousands":106639,"year":2023,"annualCountyCount":3108,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":2,"concentrationClass":"highly_concentrated","countyFips":"46061","countyName":"Hanson","depositRank":2925,"hhi":5499,"hhiPercentile":86.1,"hhiRank":433,"leadingOrganization":"Security State Bank","leadingOrganizationSharePct":65.8,"leaderShareRank":490,"organizationCount":2,"organizationDepthRank":2590,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46061","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":23,"stateMedianHhi":4938,"stateName":"South Dakota","totalDepositsThousands":86988,"year":2024,"annualCountyCount":3105,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."},{"branchCount":3,"concentrationClass":"highly_concentrated","countyFips":"46061","countyName":"Hanson","depositRank":2878,"hhi":5823,"hhiPercentile":87.9,"hhiRank":378,"leadingOrganization":"Security State Bank","leadingOrganizationSharePct":70.3,"leaderShareRank":410,"organizationCount":2,"organizationDepthRank":2581,"organizationsOver5pct":2,"profileHref":"/geographies/banking/46061","stateCode":"SD","stateCountyCount":64,"stateHref":"/geographies/south-dakota","stateHhiRank":21,"stateMedianHhi":4820,"stateName":"South Dakota","totalDepositsThousands":102804,"year":2025,"annualCountyCount":3104,"sourceId":"fdic-sod-2025","sourceTitle":"Annual Summary of Deposits, 2015-2025","sourcePublisher":"Federal Deposit Insurance Corporation","sourceUrl":"https://banks.data.fdic.gov/bankfind-suite/SOD","sourceProfileHref":"/sources/fdic-sod-2025","accessDate":"2026-07-20","dataStatus":"estimated_public","confidenceLevel":"high","methodologyNote":"Antitrust Radar independently aggregates each annual June 30 Summary of Deposits vintage from 2015 through 2025 using the FDIC-reported top bank holding company when available and otherwise the insured institution certificate. No values are interpolated across missing or changed geographies.","methodologyHref":"/methodology#county-banking-screen","guardrail":"Annual county rows are independent June 30 branch-deposit screens, not interpolated observations or legal market definitions. Reported ownership structures, branch booking, county names, and FIPS boundaries can change between vintages; deposit values are nominal and should not be read as inflation-adjusted growth."}]}